<div id="cal-body">
            <div class="input">
                <input type="text">
            </div>
            <div style="padding-top: 40px;">

                <div class="buttons">
                    <button>1</button>
                    <button>2</button>
                    <button>3</button>
                    <button>+</button>
                </div>
                <div class="buttons">
                    <button>4</button>
                    <button>5</button>
                    <button>6</button>
                    <button>-</button>
                </div>
                <div class="buttons">
                    <button>7</button>
                    <button>8</button>
                    <button>9</button>
                    <button>*</button>
                </div>
                <div class="buttons">
                    <button>.</button>
                    <button>0</button>
                    <button style="width: 140px;">=</button>
                    
                </div>
            </div>
        </div>
<style>
/* From Uiverse.io by Satwinder04 - Tags: button, card, calculator */
#cal-body {
  width: 400px;
  border-radius: 20px;
  background: #dde1e7;
  box-shadow: -5px -5px 9px rgba(255,255,255,0.45), 5px 5px 9px rgba(94,104,121,0.3);
  padding: 45px;
  scale: 0.6;
}

.input input {
  height: 100px;
  width: 100%;
  border-radius: 10px;
  background: #dde1e7;
  box-shadow: inset -5px -5px 9px rgba(255,255,255,0.45), inset 5px 5px 9px rgba(94,104,121,0.3);
  border: 0;
  color: rgb(116, 116, 116);
  font-size: 2.5rem;
  padding: 0 30px;
}

.input input:focus {
  outline: none;
  background: #dde1e7;
  box-shadow: inset -5px -5px 9px rgba(255,255,255,0.45), inset 5px 5px 9px rgba(94,104,121,0.3);
}

.buttons button {
  cursor: pointer;
  height: 60px;
  width: 60px;
  border: 0;
  font-size: 2rem;
  border-radius: 50px;
  background: #dde1e7;
  box-shadow: -5px -5px 9px rgba(255,255,255,0.45), 5px 5px 9px rgba(94,104,121,0.3);
  color: rgb(137, 137, 137);
}

.buttons button:focus {
  background: #dde1e7;
  box-shadow: inset -5px -5px 9px rgba(255,255,255,0.45), inset 5px 5px 9px rgba(94,104,121,0.3);
}

.buttons {
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
}
</style>
